hxxps://linkvertise[.]com/1208172/solara-bootstrapper?o=sharing

Resubmissions

12/08/2024, 10:02

240812-l25q2swdjr 6

12/08/2024, 10:01

240812-l2lm6swcqq 6

12/08/2024, 09:59

240812-lz5m9swclp 6

12/08/2024, 09:57

240812-ly7q8swbrq 6

Analysis

max time kernel
16s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 09:57

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General

Target

https://linkvertise.com/1208172/solara-bootstrapper?o=sharing

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
84	api.ipify.org
94	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1194130065-3471212556-1656947724-1000\{CB2585F4-8763-4E20-9850-7CA8E48AE2C6}	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3552	msedge.exe
3552	msedge.exe
4296	msedge.exe
4296	msedge.exe
2060	msedge.exe
2060	msedge.exe
5080	identity_helper.exe
5080	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe
4296	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4364	4296	msedge.exe	84
PID 4296 wrote to memory of 4364	4296	msedge.exe	84
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3692	4296	msedge.exe	85
PID 4296 wrote to memory of 3552	4296	msedge.exe	86
PID 4296 wrote to memory of 3552	4296	msedge.exe	86
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87
PID 4296 wrote to memory of 2704	4296	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://linkvertise.com/1208172/solara-bootstrapper?o=sharing
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcfff146f8,0x7ffcfff14708,0x7ffcfff14718
  2⤵
  PID:4364
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2044 /prefetch:2
  2⤵
  PID:3692
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2916 /prefetch:8
  2⤵
  PID:2704
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3308 /prefetch:1
  2⤵
  PID:1712
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3328 /prefetch:1
  2⤵
  PID:1252
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5324 /prefetch:1
  2⤵
  PID:2512
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5724 /prefetch:8
  2⤵
  PID:4072
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=5708 /prefetch:8
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5116 /prefetch:1
  2⤵
  PID:1748
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6140 /prefetch:8
  2⤵
  PID:3420
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6140 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5080
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5336 /prefetch:1
  2⤵
  PID:4856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6124 /prefetch:1
  2⤵
  PID:5056
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5976 /prefetch:1
  2⤵
  PID:5344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,16905755898814313888,9728395199289915235,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5216 /prefetch:1
  2⤵
  PID:5352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ecf7ca53c80b5245e35839009d12f866

SHA1
a7af77cf31d410708ebd35a232a80bddfb0615bb

SHA256
882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

SHA512
706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
4dd2754d1bea40445984d65abee82b21

SHA1
4b6a5658bae9a784a370a115fbb4a12e92bd3390

SHA256
183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

SHA512
92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
088723959e803a8a03a11a40a7785e80

SHA1
9f9a27ba3dd13aa61d5713eb0acc96f644ac3f5f

SHA256
ecff85b91f01e42aee0969d7d09b4387ad977890ef546f5f00107a85f9e7f8bb

SHA512
0c80df1a37a0c0f853540e3bd422a6cc2e2a7dfb668aa357c105d1caf72d0bd3186b0612c957929419992ce280421fe7bff254acc81bd272c95b3517ad099889

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
7KB

MD5
2c1d9166c76309c8f546ab3f3b0d1753

SHA1
6d16f343e5ea4856759b75bad113ab01b3e8263f

SHA256
e2ed806e60399d4e1086e156b932401500e483d8488b6859af3e33ffff45250a

SHA512
c23d1af9fadcbf393967bef6b64b94078fad7ca7bab1d528ce7057a59f3bde88d28acf4b615b81f23bb7a2b53fd1b29fd979205a42ddf9b8a01f64fef890e068

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
470326bbd34cb3ae9d2f022e4df7adf5

SHA1
17a1e7e41aee0588aff82780fcabec4c5343f9b0

SHA256
4972725c2ce99b52410f61d070e9407363703bac73ee54de40d095ad44c1800b

SHA512
62ae7fc3a19b870dc42519b5877c22be78e18508c83ad04646a0fc0903010d139aff3fa1ba26e0376bda68495dd316c74aa10207c8d9d79e9e2118184992f4b6

Download Submit